+# Our tests do actual crypto and lots of work, the tradeoff for -O2 is well
+# worth it. Note that we only apply optimizations to dependencies, not workspace
+# crates themselves.
+# https://doc.rust-lang.org/cargo/reference/profiles.html#profile-selection
+[profile.dev.package."*"]
+opt-level = 2
+
+# It appears some minimal optimizations are required to inline many std methods
+# and reduce the otherwise-substantial time spent in std self-checks. We do so
+# here but ensure we keep LTO disabled as otherwise we're re-optimizing all our
+# dependencies every time we make any local changes.